This converter turns US pints into cubic inches instantly, using the exact factor 1 US pint = 28.875 cubic inches. Type any number and the result updates as you go — nothing is sent to a server, so the arithmetic happens entirely in your browser.
Half a US quart — note the UK pint is 568 mL, noticeably larger. The volume of a one-inch cube, traditional for US engine displacement.
Because the relationship is a simple proportion, one multiplication does the whole job. The table further down gives pre-computed values for the amounts people look up most often, and the result panel also reports the reverse conversion so you can check the figure both ways.
The formula
US pints- The amount you are converting, measured in US pints
28.875- The exact number of cubic inches in one US pint
cubic inches- The converted result
How it works, step by step
- Enter the number of US pints you want to convert.
- The value is multiplied by 28.875, the exact conversion factor.
- The result is displayed in cubic inches, rounded for readability.
- The unrounded value and the reverse conversion appear underneath so you can verify it.
Worked examples
Converting 5 US pints
Multiply 5 by 28.875. That gives 144.375 cubic inches. A quick sanity check: one US pint is larger than one cubic inch, so the number should get bigger — and it does.
Converting 72 US pints
72 × 28.875 = 2,079 cubic inches. Working backwards, 2,079 ÷ 28.875 returns 72 US pints, which confirms the factor is applied the right way round.
How to read your score
Frequently asked questions
How many cubic inches are in one US pint?
Exactly 28.875. Every conversion on this page is that single number multiplied by your input, so the result carries no rounding error beyond what is shown.
What is the formula to convert US pints to cubic inches?
Cubic Inches = US pints × 28.875. To reverse it, divide instead: US pints = cubic inches ÷ 28.875, which is the same as multiplying by 0.03463203463.
Is the US pint bigger than the cubic inch?
Yes. One US pint equals 28.875 cubic inches, so it is the larger unit.
Why does my answer differ slightly from other pints to cubic-inches converters?
Most differences come from rounding the factor too early. This tool keeps full double precision through the calculation and only rounds at the final display step, and it also shows the unrounded value so you can see exactly where any difference appears.
What is a US pint?
Half a US quart — note the UK pint is 568 mL, noticeably larger.
What is a cubic inch?
The volume of a one-inch cube, traditional for US engine displacement.
Us Pints to cubic inches reference table
| Us Pints | Cubic Inches |
|---|---|
| 0.5 pt | 14.4375 in³ |
| 1 pt | 28.875 in³ |
| 2 pt | 57.75 in³ |
| 3 pt | 86.625 in³ |
| 5 pt | 144.375 in³ |
| 10 pt | 288.75 in³ |
| 15 pt | 433.125 in³ |
| 20 pt | 577.5 in³ |
| 25 pt | 721.875 in³ |
| 50 pt | 1,443.75 in³ |
| 75 pt | 2,165.62 in³ |
| 100 pt | 2,887.5 in³ |
| 250 pt | 7,218.75 in³ |
| 500 pt | 14,437.5 in³ |
| 1000 pt | 28,875 in³ |
Exact factor: 1 US pint = 28.875 cubic inches. Values rounded for display.